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---
license: mit
---

## The NINCO dataset

The **NINCO** (**N**o **I**mageNet **C**lass **O**bjects) dataset consists of 64 OOD classes with a total of 5879 samples.
The OOD classes were selected to have no categorical overlap with any classes of ImageNet-1K.
Then we inspected each sample individually to not contain ID objects.

### Examples of individual sorting decisions:

![NINCO_sorting_wide_nocaption.png](readme_images/NINCO_sorting_wide_nocaption.png)
 **Top:** Samples that were excluded due to overlap with ID classes. **Bottom:** Samples from the same
OOD class that were included in the cleaned datasets.

### Examples images from some of the most difficult NINCO OOD classes
![NINCO_difficult_wide_nocaption.png](readme_images/NINCO_difficult_wide_nocaption.png)
Examples from <span style="color:#BF008C"> NINCO OOD classes </span> (first row) and from the <span style="color:blue">ImageNet-1K class</span> (second row) which the <span style="color:BF008C"> OOD class </span> is most frequently confused for.


## Cleaned Popular Datasets and OOD Unit Tests

Besides NINCO, we provide (in the same .tar.gz file) truly OOD versions of 11 popular OOD datasets with in total 2715 OOD samples.

---

MIT License

Copyright (c) 2023 Julian Bitterwolf and Maximilian Müller

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